Improperly implemented security check for standard in Google Chromium - CVE-2026-17865

Vulnerability identifier: #VU140320

CSH Severity: High

CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-17865

CWE-ID: CWE-358

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Crypto in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
Fedora
chromium
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 151.0.7922.71
Microsoft Edge - update to 151.0.4129.59
Google Chrome - update to 151.0.7922.71
chromium - addressed in versions 151.0.7922.71-1.el9, 151.0.7922.71-1.el10_2, 151.0.7922.71-1.el10_3, 151.0.7922.71-1.fc43, 151.0.7922.71-1.fc44
chromium (Debian package) - update to 151.0.7922.71-1~deb13u1

• https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html
• https://crbug.com/520516655

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Debian update for chromium
• Fedora 43 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora EPEL 10.3 update for chromium
• Fedora 44 update for chromium